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/*
* Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __USB_MISC_H__
#define __USB_MISC_H__
#ifndef ENDIANNESS
#error ENDIANNESS should be defined, and then rebulid the project.
#endif
/*******************************************************************************
* Definitions
******************************************************************************/
/*! @brief Define USB printf */
#if defined(__cplusplus)
extern "C" {
#endif /* __cplusplus */
extern int DbgConsole_Printf(const char *fmt_s, ...);
#if defined(__cplusplus)
}
#endif /* __cplusplus */
#define usb_echo DbgConsole_Printf
#if defined(__ICCARM__)
#ifndef STRUCT_PACKED
#define STRUCT_PACKED __packed
#endif
#ifndef STRUCT_UNPACKED
#define STRUCT_UNPACKED
#endif
#elif defined(__GNUC__)
#ifndef STRUCT_PACKED
#define STRUCT_PACKED
#endif
#ifndef STRUCT_UNPACKED
#define STRUCT_UNPACKED __attribute__((__packed__))
#endif
#elif defined(__CC_ARM)
#ifndef STRUCT_PACKED
#define STRUCT_PACKED _Pragma("pack(1U)")
#endif
#ifndef STRUCT_UNPACKED
#define STRUCT_UNPACKED _Pragma("pack()")
#endif
#endif
#define USB_SHORT_GET_LOW(x) (((uint16_t)x) & 0xFFU)
#define USB_SHORT_GET_HIGH(x) ((uint8_t)(((uint16_t)x) >> 8U) & 0xFFU)
#define USB_LONG_GET_BYTE0(x) ((uint8_t)(((uint32_t)(x))) & 0xFFU)
#define USB_LONG_GET_BYTE1(x) ((uint8_t)(((uint32_t)(x)) >> 8U) & 0xFFU)
#define USB_LONG_GET_BYTE2(x) ((uint8_t)(((uint32_t)(x)) >> 16U) & 0xFFU)
#define USB_LONG_GET_BYTE3(x) ((uint8_t)(((uint32_t)(x)) >> 24U) & 0xFFU)
#define USB_MEM4_ALIGN_MASK (0x03U)
/* accessory macro */
#define USB_MEM4_ALIGN(n) ((n + 3U) & (0xFFFFFFFCu))
#define USB_MEM32_ALIGN(n) ((n + 31U) & (0xFFFFFFE0u))
#define USB_MEM64_ALIGN(n) ((n + 63U) & (0xFFFFFFC0u))
/* big/little endian */
#define SWAP2BYTE_CONST(n) ((((n)&0x00FFU) << 8U) | (((n)&0xFF00U) >> 8U))
#define SWAP4BYTE_CONST(n) \
((((n)&0x000000FFU) << 24U) | (((n)&0x0000FF00U) << 8U) | (((n)&0x00FF0000U) >> 8U) | (((n)&0xFF000000U) >> 24U))
#if (ENDIANNESS == BIG_ENDIAN)
#define USB_SHORT_TO_LITTLE_ENDIAN(n) SWAP2BYTE_CONST(n)
#define USB_LONG_TO_LITTLE_ENDIAN(n) SWAP4BYTE_CONST(n)
#define USB_SHORT_FROM_LITTLE_ENDIAN(n) SWAP2BYTE_CONST(n)
#define USB_LONG_FROM_LITTLE_ENDIAN(n) SWAP2BYTE_CONST(n)
#define USB_SHORT_TO_BIG_ENDIAN(n) (n)
#define USB_LONG_TO_BIG_ENDIAN(n) (n)
#define USB_SHORT_FROM_BIG_ENDIAN(n) (n)
#define USB_LONG_FROM_BIG_ENDIAN(n) (n)
#define USB_LONG_TO_LITTLE_ENDIAN_ADDRESS(n, m) \
{ \
m[0] = ((n >> 24U) & 0xFFU); \
m[1] = ((n >> 16U) & 0xFFU); \
m[2] = ((n >> 8U) & 0xFFU); \
m[3] = (n & 0xFFU); \
}
#define USB_LONG_FROM_LITTLE_ENDIAN_ADDRESS(n) \
((uint32_t)(((uint32_t)n[0] << 24U) | ((uint32_t)n[1] << 16U) | ((uint32_t)n[2] << 8U) | ((uint32_t)n[3] << 0U)))
#define USB_LONG_TO_BIG_ENDIAN_ADDRESS(n, m) \
{ \
m[3] = ((n >> 24U) & 0xFFU); \
m[2] = ((n >> 16U) & 0xFFU); \
m[1] = ((n >> 8U) & 0xFFU); \
m[0] = (n & 0xFFU); \
}
#define USB_LONG_FROM_BIG_ENDIAN_ADDRESS(n) \
((uint32_t)(((uint32_t)n[3] << 24U) | ((uint32_t)n[2] << 16U) | ((uint32_t)n[1] << 8U) | ((uint32_t)n[0] << 0U)))
#define USB_SHORT_TO_LITTLE_ENDIAN_ADDRESS(n, m) \
{ \
m[0] = ((n >> 8U) & 0xFFU); \
m[1] = (n & 0xFFU); \
}
#define USB_SHORT_FROM_LITTLE_ENDIAN_ADDRESS(n) ((uint32_t)(((uint32_t)n[0] << 8U) | ((uint32_t)n[1] << 0U)))
#define USB_SHORT_TO_BIG_ENDIAN_ADDRESS(n, m) \
{ \
m[1] = ((n >> 8U) & 0xFFU); \
m[0] = (n & 0xFFU); \
}
#define USB_SHORT_FROM_BIG_ENDIAN_ADDRESS(n) ((uint32_t)(((uint32_t)n[1] << 8U) | ((uint32_t)n[0] << 0U)))
#else
#define USB_SHORT_TO_LITTLE_ENDIAN(n) (n)
#define USB_LONG_TO_LITTLE_ENDIAN(n) (n)
#define USB_SHORT_FROM_LITTLE_ENDIAN(n) (n)
#define USB_LONG_FROM_LITTLE_ENDIAN(n) (n)
#define USB_SHORT_TO_BIG_ENDIAN(n) SWAP2BYTE_CONST(n)
#define USB_LONG_TO_BIG_ENDIAN(n) SWAP4BYTE_CONST(n)
#define USB_SHORT_FROM_BIG_ENDIAN(n) SWAP2BYTE_CONST(n)
#define USB_LONG_FROM_BIG_ENDIAN(n) SWAP4BYTE_CONST(n)
#define USB_LONG_TO_LITTLE_ENDIAN_ADDRESS(n, m) \
{ \
m[3] = ((n >> 24U) & 0xFFU); \
m[2] = ((n >> 16U) & 0xFFU); \
m[1] = ((n >> 8U) & 0xFFU); \
m[0] = (n & 0xFFU); \
}
#define USB_LONG_FROM_LITTLE_ENDIAN_ADDRESS(n) \
((uint32_t)(((uint32_t)n[3] << 24U) | ((uint32_t)n[2] << 16U) | ((uint32_t)n[1] << 8U) | ((uint32_t)n[0] << 0U)))
#define USB_LONG_TO_BIG_ENDIAN_ADDRESS(n, m) \
{ \
m[0] = ((n >> 24U) & 0xFFU); \
m[1] = ((n >> 16U) & 0xFFU); \
m[2] = ((n >> 8U) & 0xFFU); \
m[3] = (n & 0xFFU); \
}
#define USB_LONG_FROM_BIG_ENDIAN_ADDRESS(n) \
((uint32_t)(((uint32_t)n[0] << 24U) | ((uint32_t)n[1] << 16U) | ((uint32_t)n[2] << 8U) | ((uint32_t)n[3] << 0U)))
#define USB_SHORT_TO_LITTLE_ENDIAN_ADDRESS(n, m) \
{ \
m[1] = ((n >> 8U) & 0xFFU); \
m[0] = (n & 0xFFU); \
}
#define USB_SHORT_FROM_LITTLE_ENDIAN_ADDRESS(n) ((uint32_t)(((uint32_t)n[1] << 8U) | ((uint32_t)n[0] << 0U)))
#define USB_SHORT_TO_BIG_ENDIAN_ADDRESS(n, m) \
{ \
m[0] = ((n >> 8U) & 0xFFU); \
m[1] = (n & 0xFFU); \
}
#define USB_SHORT_FROM_BIG_ENDIAN_ADDRESS(n) ((uint32_t)(((uint32_t)n[0] << 8U) | ((uint32_t)n[1] << 0U)))
#endif
/*
* The following MACROs (USB_GLOBAL, USB_BDT, USB_RAM_ADDRESS_ALGINMENT_512) are only used for USB device stack.
* The USB device global variables are put into the section m_usb_global or m_usb_bdt by using the MACRO
* USB_GLOBAL and USB_BDT. In this way, the USB device global variables can be linked into USB dadicated RAM
* by changing the linker file. This feature can only be enabled when the USB dadicated RAM is not less than 2K Bytes.
*/
#if defined(__ICCARM__)
#define USB_GLOBAL _Pragma("location = \"m_usb_global\"")
#define USB_BDT _Pragma("location = \"m_usb_bdt\"")
#define USB_RAM_ADDRESS_ALGINMENT_512 _Pragma("data_alignment = 512U")
#elif defined(__CC_ARM)
#define USB_GLOBAL __attribute__((section("m_usb_global"))) __attribute__((zero_init))
#define USB_BDT __attribute__((section("m_usb_bdt"))) __attribute__((zero_init))
#define USB_RAM_ADDRESS_ALGINMENT_512 __attribute__((aligned(512U)))
#elif defined(__GNUC__)
#define USB_GLOBAL __attribute__((section("m_usb_global")))
#define USB_BDT __attribute__((section("m_usb_bdt")))
#define USB_RAM_ADDRESS_ALGINMENT_512 __attribute__((aligned(512U)))
#else
#error The tool-chain is not supported.
#endif
#endif /* __USB_MISC_H__ */
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